<template>
	<view>
		<view class="smart-page-head">
			<view class="smart-page-head-title">
				checkbox多选框
			</view>
		</view>
		
		<view class="uni-padding-wrap uni-common-mt">
			<view class="uni-title uni-common-mt">
				默认样式
			</view>
			<view>
				<checkbox-group>
					<label>
						<checkbox value="cb1" checked="true" />选中
					</label>
					<label>
						<checkbox value="cb" />未选中
					</label>
				</checkbox-group>
			</view>
			<view class="uni-title uni-common-mt">
				不同颜色和尺寸的checkbox
			</view>
			
			<view>
				<checkbox-group>
					<label>
						<checkbox value="cb1" checked="true" color="#FFCC33" style="transform: scale(0.7)"/>选中
					</label>
					<label>
						<checkbox value="cb" color="#FFCC33" style="transform: scale(0.7)"/>未选中
					</label>
				</checkbox-group>
			</view>
		</view>
		
		<view class="uni-padding-wrap">
			<view class="uni-title uni-common-mt">
				推荐展示样式
				<text>\n使用uni-list布局</text>
			</view>
		</view>
		<view class="uni-list">
			<checkbox-group @change="checkboxChange">
				<label class="uni-list-cell uni-list-cell-pd" v-for="item in items" :key="item.value">
					<view>
						<checkbox :value="item.value" :checked="item.checked"/>
					</view>
					<view>{{item.name}}</view>
				</label>
			</checkbox-group>
		</view>
	</view>
</template>

<script>
	export default{
		data(){
			return{
				title:'checkbox 复选框',
				items:[{
					value:'USA',
					name:'美国'
				},{
					value:'CHN',
					name:'中国',
					checked:'true'
				},{
					value:'BRA',
					name:'巴西'
				},{
					value:'JPN',
					name:'日本'
				},{
					value:'ENG',
					name:'英国'
				},{
					value:'FRA',
					name:'法国'
				}
				]
			}
		},
		methods:{
			checkboxChange:function(e){
				var items=this.items,
					values=e.detail.value;
				for (var i=0,lenI=items.length;i<lenI;++i){
					const item=items[i]
					if(values.indexOf(item.value)>=0){
						this.$set(item,'checked',true)
					}else{
						this.$set(item,'checked',false)
					}
				}
			}
		}
	}
</script>

<style>
	.uni-list-cell {
		justify-content: flex-start
	}

</style>